To Kau Wan is a bay in north shore of northeast Lantau Island

Lantau Island

Lantau Island , based on the old local name of Lantau Peak , is the largest island in Hong Kong, located at the mouth of the Pearl River. Administratively, most of Lantau Island is part of the Islands District of Hong Kong...

, Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

. Contaminated soil from Penny's Bay

Penny's Bay

Penny's Bay or Chok Ko Wan is a bay in north-eastern Lantau Island, and is the site of the Hong Kong Disneyland Resort, which consists of the Hong Kong Disneyland theme park, Disneyland Hotel, and Disney's Hollywood Hotel, and the Inspiration Lake. It is connected by a highway and a rail...

 was transferred here for thermal desorption

Thermal desorption

Thermal desorption is an environmental remediation technology that utilizes heat to increase the volatility of contaminants such that they can be removed from the solid matrix . Thermal desorption is not incineration. The volatilized contaminants are then either collected or thermally destroyed...

 to separate the Volatile Organic Compounds (VOC) and Semi-Volatile Organic Compounds (SVOC) and cement immobilzaiton of metal contamination from the Penny's Bay

Penny's Bay

Penny's Bay or Chok Ko Wan is a bay in north-eastern Lantau Island, and is the site of the Hong Kong Disneyland Resort, which consists of the Hong Kong Disneyland theme park, Disneyland Hotel, and Disney's Hollywood Hotel, and the Inspiration Lake. It is connected by a highway and a rail...

. The oily residue was transferred to Chemical Waste Treatment Center (CWTC) in Tsing Yi

Tsing Yi

Tsing Yi , or Tsing Yi Island is an island in the urban area of Hong Kong, to the northwest of Hong Kong Island and south of Tsuen Wan. With an area of 10.69 km², the island has extended drastically by reclamation along almost all its natural shore and the annexation of Nga Ying Chau and Chau...

 for incineration

Incineration

Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high temperature waste treatment systems are described as "thermal treatment". Incineration of waste materials converts the waste into ash, flue gas, and...

 (particularly for dioxin.